Question

46√2cos(-п/4)sin(-п/6)

Answer 1

$=46 sqrt{2} * frac{1}{sqrt{2}} *(- frac{1}{2} )=-23$

Answer 2

46√2cos(-π/4)sin(-π/6)=-46√2cosπ/4sinπ/6=-46√2*√2/2*1/2=-23